Update app.py

app.py

@@ -1244,7 +1244,7 @@ def create_jain_interface():
         def submit_message(message, history):
             """메시지 전송 처리"""
             if not message.strip():  # 빈 메시지 입력 방지
-                reeturn history, ""
+                return history, ""
             try:
                 response = jain.chat(message)  # chat_function → jain.chat으로 변경
                  if history is None: